Regional cities’ score card for ozone (four-hour) NEPM standard, based on analysis of air quality index values, 1999–2008

Component
Summary
Grade
Very poor Poor Fair Good Very good
Confidence
In Grade In Trend
Comparability
To previous years

Average percentage frequency distribution: very good 35; good 62; fair 2; poor 1; very poor 0

Year(s): 
2011
4
Stable
Confidence (in grade): 
Adequate
Confidence (in trend): 
Adequate
Comparability (to previous reports): 
Not assessed

Average percentage frequency distribution: very good 68; good 31; fair 1; poor 0; very poor 0

Year(s): 
2011
5
Unclear
Confidence (in grade): 
Adequate
Confidence (in trend): 
Limited
Comparability (to previous reports): 
Not assessed
(2011). Ambient air quality: Regional cities’ score card for ozone (four-hour) NEPM standard, based on analysis of air quality index values, 1999–2008. In: Australia state of the environment 2011, Australian Government Department of the Environment and Energy, Canberra, https://soe.environment.gov.au/assessment-summary-36-regional-cities-score-card-ozone-four-hour-nepm-standard-based-analysis-air, DOI 10.4226/94/58b65c70bc372